Recharging method and apparatus

US20060063568A1Active Publication Date: 2006-03-23UNIVERSITY OF PITTSBURGH
24 Cites 19 Cited by

Patent Information

Authority / Receiving Office
US Ā· United States
Current Assignee / Owner
UNIVERSITY OF PITTSBURGH
Publication Date
2006-03-23

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Abstract

The present invention provides apparatus and an associated method for remotely energizing power storage devices. Energization may preferably be effected through the use of RF energy from a base station, ambient energy or ultra-wide band energy. The remote station preferably has at least one antenna having an effective area greater than its physical area. The system may have an antenna and associated circuitry provided on an electronic chip such as a monolithic chip or on a printed circuit with a suitable substrate.
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Description

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application is a Continuation-In-Part of U.S. Ser. No. 10 / 459,051 filed Jun. 11, 2003, entitled ā€œRECHARGING METHOD AND APPARATUSā€ which, this application claims the benefit of U.S. Provisional Application Ser. No. 60 / 411,825, entitled ā€œRECHARGING METHODā€ filed Sep. 18, 2002.BACKGROUND OF THE INVENTION

[0002] 1. Field of the Invention

[0003] This invention relates to a method and associated apparatus for remote energizing of power storage devices and particularly to a method employing small apparatus for remote energizing of power storage devices using RF. The method of this invention preferably employs at least one antenna that has an effective area greater than its physical area to harvest energy.

[0004] 2. Description of the Prior Art

[0005] Contactless electrical connections are well known in the field of portable electrical devices. For example, portable motorized toothbrushes typically contain a rechargeable battery, which is c...

Claims

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